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I'm trying to understand Optionals in Swift. Code works, but I don't understand why
| Author | Votes | Δ |
|---|---|---|
| vadian | 4 | +0.85 |
| George | 1 | -1.20 |
| Steven Benitez | 1 | -0.70 |
Last visited: Sep 4, 2019, 3:46:46 PM